Dell XPS 720 Owner's Manual - Page 139
System Board, Removing the System Board
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System Board CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide Removing the System Board NOTICE: The system board and metal tray are connected and are removed as one piece. 1 Follow the procedures in "Before You Begin" on page 85. 2 Remove the computer cover (see "Removing the Computer Cover" on page 86). 3 Disconnect the fan cable from the FAN_CAGE connector on the system board (see "System Board Components" on page 89). 4 Remove any full-length expansion cards (see "Removing PCI and PCI Express Cards" on page 95). 5 Remove the two screws securing the card fan assembly, then remove the assembly and set it aside. 1 2 3 1 screw (2) 2 card fan assembly 3 fan connector 6 Remove any additional components that may restrict access to the system board. 7 Disconnect all cables from the system board. Removing and Installing Parts 139